/*
 * Copyright (c) 2004-2022, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.hisp.dhis.dxf2.metadata.objectbundle.validation;

import static org.hisp.dhis.dxf2.metadata.objectbundle.validation.ValidationUtils.createObjectReport;

import java.util.ArrayList;
import java.util.List;
import java.util.function.Consumer;
import org.hisp.dhis.common.IdentifiableObject;
import org.hisp.dhis.dxf2.metadata.objectbundle.ObjectBundle;
import org.hisp.dhis.dxf2.metadata.objectbundle.ObjectBundleHook;
import org.hisp.dhis.feedback.ErrorReport;
import org.hisp.dhis.feedback.ObjectReport;
import org.hisp.dhis.importexport.ImportStrategy;
import org.springframework.stereotype.Component;

/**
 * @author Luciano Fiandesio
 */
@Component
public class ValidationHooksCheck implements ObjectValidationCheck {

  @Override
  public <T extends IdentifiableObject> void check(
      ObjectBundle bundle,
      Class<T> klass,
      List<T> persistedObjects,
      List<T> nonPersistedObjects,
      ImportStrategy importStrategy,
      ValidationContext ctx,
      Consumer<ObjectReport> addReports) {
    List<T> objects =
        selectObjectsBasedOnImportStrategy(persistedObjects, nonPersistedObjects, importStrategy);

    if (objects == null || objects.isEmpty()) {
      return;
    }
    for (T object : objects) {
      if (object != null) {
        validate(object, bundle, ctx, addReports);
      }
    }
  }

  private static <T extends IdentifiableObject> void validate(
      T object, ObjectBundle bundle, ValidationContext ctx, Consumer<ObjectReport> addReports) {
    @SuppressWarnings("unchecked")
    List<ErrorReport>[] box = new List[1];
    for (ObjectBundleHook<? super T> hook : ctx.getObjectBundleHooks().getObjectHooks(object)) {
      hook.validate(
          object,
          bundle,
          error -> {
            List<ErrorReport> list = box[0];
            if (list == null) {
              list = new ArrayList<>();
              box[0] = list;
            }
            list.add(error);
          });
    }
    List<ErrorReport> errorReports = box[0];
    if (errorReports != null && !errorReports.isEmpty()) {
      addReports.accept(createObjectReport(errorReports, object, bundle));
      ctx.markForRemoval(object);
    }
  }
}
